土壤微生物生物量
soil microbial biomas
microbial biomass
Soil microbial biomass
Pollution soil microbial biomass carbon
土壤微生物生物量C
Soil microbial biomass carbon
soil microbial biomass C
土壤微生物生物量N
soil microbial biomass nitrogen
土壤微生物生物量氮
soil microbial biomass N
soil microbial biomass nitrogen
土壤微生物生物量磷
soil microbial biomass phosphorus SMBP
character spacing reference-line
土壤微生物生物量碳
soil microbial biomass-C
Microbial biomass carbon
soil microbial biomass carbon SMBC
Soil microbial biomass carbon
soil microbial biomass C
character source
土壤微生物生物量碳、氮、磷
soil microbial biomass C
N
P
Soil microbial biomass carbon
Nitrogen
Phosphorus
土壤微生物生物量碳和氮
soil microbial biomass C and N
微生物生物量氮
Microbial biomass nitrogen
Microbial biomass N
soil microbial biomass nitrogen